"S" Shaped Airlock and Bun Set of 2
S Shape Airlock
Necessary for most fermentation processes. Allows CO2 to escape from carboy or bucket while keeping bacteria out.
Universal Carboy Bung Drilled
The universal carboy bung is designed to accommodate 3,5,6 and 6.5-gallon glass carboys.
Features a lip to prevent the bung from falling too far into an orifice.